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Nioxin System Kit 4 | 3-Part System for Progressed Thinning Colour-Treated & Damaged Hair (300ml + 300ml + 100ml)

Nioxin System Kit 4 is a complete three-step hair care system for colour-treated or damaged hair with progressed thinning. Featuring a 300ml scalp and hair shampoo, 300ml conditioner and 100ml leave-in thickening treatment, this full-size Nioxin kit brings cleansing, conditioning and care for fuller-looking hair into one coordinated routine. If you're searching for a Nioxin system for noticeably thinning colour-treated hair, System 4 is designed for that specific hair type and concern. Free UK delivery on orders over £50.

Key Benefits

  • Designed for colour-treated or damaged hair with progressed thinning.
  • Combines matching shampoo, conditioner and leave-in scalp treatment.
  • Cleanses away excess oil, impurities and everyday product build-up.
  • Conditions processed hair for a softer feel and easier manageability.
  • Helps improve the appearance of body and fullness as part of your regular routine.
  • Full-size 300ml shampoo and conditioner with a 100ml thickening treatment.

Why You'll Love This Product

When your hair is colour-treated and thinning is becoming more noticeable, it helps to have a routine chosen around both concerns. Nioxin System 4 takes the guesswork out of matching your shampoo, conditioner and finishing treatment. Keep all three steps together for a straightforward wash-day ritual, from cleansing your scalp to caring for your lengths and finishing with a leave-in thickening treatment.

When to Use

Choose System 4 for colour-treated, chemically processed or damaged hair with more noticeable or progressed thinning. Use as your regular cleansing and conditioning routine, following the directions on each bottle. For colour-treated hair with light thinning, compare System 3; for natural, untreated hair with progressed thinning, compare System 2.

How to Use

  1. Apply System 4 shampoo to wet hair, work into a lather and rinse thoroughly.
  2. Apply System 4 conditioner according to the bottle directions, then rinse thoroughly.
  3. Apply System 4 Scalp Care + Hair Thickening Treatment as directed on its packaging. Gently distribute and leave in; do not rinse.

Your kit includes: Nioxin System 4 Scalp + Hair Shampoo 300ml, Scalp + Hair Conditioner 300ml and Scalp Care + Hair Thickening Treatment 100ml.

Ingredients

Please check the individual product packaging for the current full INCI ingredient lists. Each step has its own formula; ingredients may change.

  • £59.99